Alert archive / Missouri / Mesoscale Discussions in 2024
Mesoscale Discussion 552
The Storm Prediction Center issued this mesoscale discussion at Apr 27, 2024, 8:25 PM CDT for 20 counties in Kansas; 21 counties in Missouri. It was in force for 95 min.
The area
The outline as issued.
The facts
- Issued
- Apr 27, 2024, 8:25 PM CDT (01:25 UTC)
- Expired
- Apr 27, 2024, 10:00 PM CDT
- In force
- 95 min
- Issued by
- the Storm Prediction Center
- Concerning
- Tornado watch 149
All 41 counties
Allen County, KS, Anderson County, KS, Bourbon County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Crawford County, KS, Douglas County, KS, Franklin County, KS, Jefferson County, KS, Johnson County, KS, Labette County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Barton County, MO, Bates County, MO, Benton County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, Clay County, MO, Dade County, MO, Henry County, MO, Jackson County, MO, Jasper County, MO, Johnson County, MO, Lafayette County, MO, Lawrence County, MO, Pettis County, MO, Platte County, MO, Ray County, MO, Saline County, MO, St. Clair County, MO, Vernon County, MO
The radar
The Pleasant Hill radar (KEAX), 107 km from the middle of the area, began a volume at 01:26 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 1.4 hours before the alert went out and 154 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 937 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 939 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 272 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 10.5
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 11:42 PM CDT | Tornado Watch | SPC | Allen, Bourbon, Chautauqua, Cherokee, Crawford, Elk and 5 more | 5 hr |
| Apr 28, 1:54 AM CDT | Mesoscale Discussion | SPC | Cherokee, Crawford | 66 min |
| Apr 28, 3:38 PM CDT | Mesoscale Discussion | SPC | Cherokee, Crawford, Labette | 2 hr |
| Apr 27, 7:11 PM CDT | Mesoscale Discussion | SPC | Adair, Clark, Grundy, Knox, Putnam, Schuyler and 2 more | 64 min |
| Apr 27, 9:15 PM CDT | Mesoscale Discussion | SPC | Audrain, Boone, Callaway, Cole, Franklin, Gasconade and 13 more | 60 min |
| Apr 27, 9:41 PM CDT | Tornado Watch | SPC | Audrain, Boone, Callaway, Camden, Cole, Franklin and 16 more | 6 hr |
| Apr 28, 5:15 PM CDT | Tornado Watch | SPC | Barry, Douglas, McDonald, Newton, Ozark, Stone and 3 more | 6 hr |
| Apr 28, 6:50 PM CDT | Mesoscale Discussion | SPC | Barry, McDonald | 55 min |
Nearby
Mesoscale Discussions in Missouri, 2024Mesoscale Discussions in Kansas, 2024Every mesoscale discussion in 2024
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.